Tool having a foldable structure

Details Tool having a foldable structure Tool having a foldable structure

1997-12-11

1999-08-31

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

811771, 811778, 811776, 811777, B25B 2316

Patent

active

059439254

ABSTRACT:
A tool includes a coupler pivotally coupled between a driving stem and a handle. The coupler may be selectively secured to the driving stem at any suitable angular position, and the handle may also be selectively secured to the coupler at any suitable angular position, such that the handle may be folded to engage with the driving stem for forming a compact folding structure. The coupler and the handle each includes a number of teeth, the latch includes a number of teeth for being biased to engage with that of the coupler and the handle.

REFERENCES:
patent: 1431389 (1922-10-01), Frisz
patent: 1835315 (1931-12-01), McLay
patent: 2627330 (1953-02-01), Gantz
patent: 3270597 (1966-09-01), Neff et al.
patent: 3550486 (1970-12-01), Edwards
patent: 3996821 (1976-12-01), Murray
patent: 5280740 (1994-01-01), Ernst
patent: 5836223 (1998-11-01), Lin

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